1012231003503 has 8 divisors (see below), whose sum is σ = 1349731692928. Its totient is φ = 674775491544.

The previous prime is 1012231003489. The next prime is 1012231003523. The reversal of 1012231003503 is 3053001322101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1012231003503 - 2¹² = 1012230999407 is a prime.

It is a super-2 number, since 2×1012231003503² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1012231003503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012231003523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11242051 + ... + 11331732.

It is an arithmetic number, because the mean of its divisors is an integer number (168716461616).

Almost surely, 2^{1012231003503} is an apocalyptic number.

1012231003503 is a deficient number, since it is larger than the sum of its proper divisors (337500689425).

1012231003503 is a wasteful number, since it uses less digits than its factorization.

1012231003503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22588733.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 1012231003503 its reverse (3053001322101), we get a palindrome (4065232325604).

The spelling of 1012231003503 in words is "one trillion, twelve billion, two hundred thirty-one million, three thousand, five hundred three".